Pith Number

pith:QNBVYMBJ

pith:2005:QNBVYMBJMCC3Q5RWNX2VNH3U7S

not attested not anchored not stored refs pending

Renormalization Group Analysis of Nonlinear Diffusion Equations With Time Dependent Coefficients: Analytical Results

Frederico Furtado, Gast\~ao A. Braga, Jussara M. Moreira, Leonardo T. Rolla

arxiv:math/0512450 v3 · 2005-12-19 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNBVYMBJMCC3Q5RWNX2VNH3U7S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:06:15.913437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83435c30296085b876366df5569f74fcbdff44fa5e883b8b73e6bcff0ea2abb5

Aliases

arxiv: math/0512450 · arxiv_version: math/0512450v3 · doi: 10.48550/arxiv.math/0512450 · pith_short_12: QNBVYMBJMCC3 · pith_short_16: QNBVYMBJMCC3Q5RW · pith_short_8: QNBVYMBJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QNBVYMBJMCC3Q5RWNX2VNH3U7S \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 83435c30296085b876366df5569f74fcbdff44fa5e883b8b73e6bcff0ea2abb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93bbc09a69be09707d3f0f7a6a2003c0a7bae82a4d4bb7b1aa400fdd177a3b8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2005-12-19T17:31:29Z",
    "title_canon_sha256": "4ab11dc78d4bcbe923c01e1be9874c6fa9d0162985f86e51c4909ce5a4e2ce2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0512450",
    "kind": "arxiv",
    "version": 3
  }
}